System Sensor D2 Smoke Detector 30067439-890 Johnson Controls T-4000-2645 Gold Plastic

Johnson Controls T-4000-2645 Gold Plastic Cover

The standard Model 24 (45-240) includes the standard EL1214 probe

Enhanced Thermal Safety: Integrated thermally protected Class B insulation prevents winding failure under 40°C ambient conditions

you should see continuity (0 ohms) across the terminals

System Sensor D2 Smoke Detector 30067439-890 Johnson Controls T-4000-2645 Gold PlasticFor contractors and fire safety professionals, the System Sensor D2 remains a standard for reliable detection within air handling systems. This 2 Wire InnovairFlex Photoelectric Low Flow Duct Smoke Detector is engineered to operate across a broad air duct velocity range of 100 to 4,000 feet per minute, making it suitable for both high speed supply ducts and low velocity return air applications. Built on a modular platform, the InnovairFlex D2 features